重构 API 环境配置，支持动态切换生产和开发环境

util/api.js

-const API_BASE = 'https://api.ichunt.com';
-const API_BASE_OSS = 'https://image.ichunt.net'; //oss系统
-const API_BASE_OSS_HK = 'http://hk.image.semour.com'; //oss系统 HK
-const API_BASE_WMS = 'https://wms.ichunt.net'; //WMS系统 
+// 环境配置：'production' 正式环境 | 'development' 测试环境
+var ENV = 'development';
 
-// const API_BASE = 'http://api.liexin.com';
-// const API_BASE_OSS = 'http://image.liexindev.net';
-// const API_BASE_OSS_HK = 'http://image.liexindev.net'; //oss系统 HK
-// const API_BASE_WMS = 'http://wms.liexindev.net'; //WMS系统 
+// 环境配置映射
+var ENV_CONFIG = {
+	production: {
+		API_BASE: 'https://api.ichunt.com',
+		API_BASE_OSS: 'https://image.ichunt.net',
+		API_BASE_OSS_HK: 'http://hk.image.semour.com',
+		API_BASE_WMS: 'https://wms.ichunt.net'
+	},
+	development: {
+		API_BASE: 'http://api.liexin.com',
+		API_BASE_OSS: 'http://image.liexindev.net',
+		API_BASE_OSS_HK: 'http://image.liexindev.net',
+		API_BASE_WMS: 'http://wms.liexindev.net'
+	}
+};
 
+// 当前环境配置
+var currentEnv = ENV_CONFIG[ENV];
+var API_BASE = currentEnv.API_BASE;
+var API_BASE_OSS = currentEnv.API_BASE_OSS;
+var API_BASE_OSS_HK = currentEnv.API_BASE_OSS_HK;
+var API_BASE_WMS = currentEnv.API_BASE_WMS;
 
-const API = {
+// 环境日志输出
+var envText = ENV === 'production' ? '🔴 正式环境' : '🟢 测试环境';
+console.log(`[环境] ${envText}`); 
+
+
+var API = {
     /**
      *  上传数据
      * */